import javax.jws.Oneway;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Deque;
import java.util.LinkedList;

public class test {
    public static void main(String[] args) {
        char n ='0';
        switch (n){
            case '1' : System.out.println(1);
            case '2' : System.out.println(2);
            case '3' :
                System.out.println(4);
            case '4' :



        }
    }
}